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Posted to dev@parquet.apache.org by "Uwe L. Korn (JIRA)" <ji...@apache.org> on 2018/06/25 12:43:00 UTC

[jira] [Updated] (PARQUET-1333) [C++] Reading of files with dictionary size 0 fails on Windows with bad_alloc

     [ https://issues.apache.org/jira/browse/PARQUET-1333?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Uwe L. Korn updated PARQUET-1333:
---------------------------------
    Affects Version/s:     (was: 1.9.0)
                       cpp-1.4.0

> [C++] Reading of files with dictionary size 0 fails on Windows with bad_alloc
> -----------------------------------------------------------------------------
>
>                 Key: PARQUET-1333
>                 URL: https://issues.apache.org/jira/browse/PARQUET-1333
>             Project: Parquet
>          Issue Type: Bug
>          Components: parquet-cpp
>    Affects Versions: cpp-1.4.0
>         Environment: Microsoft Windows 10 Pro with latest arrow master.
>            Reporter: Philipp Hoch
>            Priority: Major
>             Fix For: cpp-1.5.0
>
>
> Account for total_size being 0, having no dictionary entries to allocate for.
> The call with size 0 ends up in arrows memory_pool, [https://github.com/apache/arrow/blob/884474ca5ca1b8da55c0b23eb7cb784c2cd9bdb4/cpp/src/arrow/memory_pool.cc#L50], and the according allocation fails. See according documentation, [https://docs.microsoft.com/en-us/cpp/c-runtime-library/reference/aligned-malloc]. Only happens on Windows environment, as posix_memalign seems to handle 0 inputs in unix environments.



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